Some say they got this name because sailors noticed their ability to dispatch enormous whales and dubbed them ‘whale killers’ ...

The employees of the company Naturaliste Charters Whale Watching could hardly believe their eyes when they saw what this orca group was up to.

Orcas in the Gulf of California paralyze young great white sharks before ripping out their livers Killer whales are teaming up with dolphins on salmon hunts, study finds — but not everyone agrees ...

Off the coast of British Columbia, dolphins lead killer whales to salmon and earn their share of lunch, a new study reveals. A new study is the first to document cooperative hunting between orcas and ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...

Sightings of the marine mammal captivate the public and baffle scientists Benjamin Cassidy The orca known as “Old Thom” swims in front of researchers in the Bay of Fundy. Gregory Rec / Portland Press ...

Killer whales and dolphins have been working together to hunt salmon in the northern Pacific Ocean, an unexpected finding that further reveals the complex social lives of marine mammals. Video cameras ...